Color

#4b0e71

#4b0e71
hex#4b0e71
rgbrgb(75, 14, 113)
hslhsl(277, 78%, 25%)
oklchoklch(0.331 0.154 307.2)
Closest name: indigo (#4b0082)Relative luminance 0.03

Colors that go with #4b0e71

Crimson, Tomato and Olive Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#34710e

#1a0e71 · #710e66

#714b0e · #0e714b

Split-complementary

Open in tool →

#66710e · #0e711a

#711a0e · #34710e · #0e6671

Contrast

#4b0e71 as textRatioAAAA largeAAAFix
Aaon white
13.12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.6:1failfailfail
  • AA: use #a740e7 as the text (4.53:1)
  • AAA: use #c077ee as the text (7.11:1)
  • AA: or shift the background to #999999 (4.61:1)
  • AAA: or shift the background to #bfbfbf (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b0e71 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#4b0e71 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b0e71
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4b0e71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b0e71-b99cc4-bdcb62-2d1f2c-eae9f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md